To small to not burn up in the atmosphere, if indeed it entered the atmosphere....
If you enjoy worrying about things you can neither control nor prevent, you should lknow this kind of close encounter occurs Frequently

We should be trying to intercept and recover these near-earth asteroids (to be stored at La Grange points for mining).

We can only hope! It would make all our current squabbles disappear in a flash. And Trump wouldn’t have to wear out his voice pleading the fifth for the next two years!

It IS a whale, and it WILL hit the Earth. All of this was foretold in my Holy Book, “The Hitchhiker’s Guide to the Galaxy.” Repent, o ye unbelievers!